Standard Svensk standard · SS-EN ISO 4126-4:2013

Rörledningsarmatur - Säkerhetskomponenter till skydd mot otillåten tryckförhöjning - Del 4: Pilotstyrda säkerhetsventiler (ISO 4126-4:2013)

Status: Gällande

This part of this European Standard specifies general requirements for pilot operated safety valves, other than those covered in Part 1, irrespective of the fluid for which they are designed. In all cases, the operation is carried out by the fluid in the system to be protected. It is applicable to pilot operated safety valves having a valve flow diameter of 6 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature. This is a product standard and it is not concerned with applications for pilot operated safety valves.


Skydd mot stötchock (13.240) Tryckregulatorer (23.060.40) Övriga ventiler (23.060.99)


Språk: Engelska

Framtagen av: Rörledningsprodukter och ventiler, SIS/TK 118

Internationell titel: Safety devices for protection against excessive pressure - Part 4: Pilot-operated safety valves (ISO 4126-4:2013)

Artikelnummer: STD-98635

Utgåva: 2

Fastställd: 2013-08-09

Antal sidor: 32

Ersätter: SS-EN ISO 4126-4:2004